At **Cadmus**, we believe technology only makes sense when it truly transforms lives and businesses. For over 30 years, we have built solutions that combine innovation, closeness, and real impact — and this is just the beginning. Here, you are not just another person. You are the protagonist of a journey that values ideas, promotes growth, and opens space for the new. Our culture, recognized by **GPTW**, reflects what we live daily: collaboration, continuous learning, and respect for people. If you want to be part of a team that does not merely follow the future but helps build it, **Cadmus** is your place. Grow with us. We are looking for a Senior Fullstack Java Developer. Here at Cadmus, our People First value inspires us to create an environment where each person feels welcomed, respected, and valued. We believe in the importance of building an inclusive space where everyone can feel comfortable contributing their unique perspectives. Your responsibilities will include: * Designing, developing, and evolving complete (Fullstack) applications using Angular 7 and Spring Boot, including robust Backend APIs with Sensedia API Gateway and Mule, secure and scalable in Java, and rich, responsive user interfaces in Angular. * Participating across the entire software lifecycle: conception, development, testing, deployment, and monitoring — covering both server-side and client-side. * Ensuring application of Clean Architecture, Clean Code, SOLID, DDD, and Design Patterns on both sides of the application. * Leading and supporting TDD, BDD, and Code Review practices, fostering quality and continuous learning. Integrating data systems using relational (SQL) and NoSQL databases. Oracle 12g and MongoDB databases. * Supporting strategic, high-impact architectural decisions, including communication between Frontend and Backend. * Working in an agile environment (Scrum/Kanban), with a sense of urgency and ownership. * Actively participating in the evolution of engineering practices, automation, and observability. * Providing maintenance and evolution of legacy applications, ensuring stability, bug fixes, and continuous modernization. * Versioning code using Git. * Developing ETL processes using Spring Batch. * Using the internal Bootstrap framework to create user interfaces. * Creating and consuming REST services. * Documenting services using Swagger 2\.0\. * Implementing DevOps practices with Jenkins and Sonar. * Managing containerization with Docker and OpenShift. Requirements: **Mandatory Technical Requirements** **Backend (Java)** * Java EE 6\+ with solid mastery of APIs, libraries, and best practices. * Spring Boot 2\+ and the Spring ecosystem. * Experience with Java 8\+ (Streams, Lambdas, Concurrency, etc.). * Hands-on experience with distributed architectures, microservices, messaging, and REST APIs. * Proficiency in SQL databases (complex queries, modeling, performance tuning). * Experience with NoSQL databases (MongoDB, Redis, Cassandra or equivalents). * Strong command of Design Patterns, SOLID, Clean Architecture, and Clean Code. **Frontend (Angular)** * Proficiency in Angular 11\+ (including TypeScript, RxJS, Components, Services, Router, Lazy Loading, etc.). * Solid knowledge of HTML5, CSS3, and preprocessors (Sass/Less). * Experience building responsive and accessible interfaces. * Mastery of best practices for state management and performance in Single Page Applications (SPA). * Practice in unit tests (e.g., Jasmine/Karma) and integration tests in Frontend. **General** * Practice in TDD/BDD with frameworks such as JUnit, Mockito, Cucumber, etc. * Experience with version control tools (Git) and continuous integration/delivery (CI/CD). * Advanced knowledge of agile methodologies (Scrum, Kanban, XP). **Preferred Technical Requirements (Desirable)** * Experience with Informix. * Knowledge of Kubernetes, Docker, AWS/GCP/Azure. * Experience with Hexagonal Architecture and Event-Driven Architecture. * Observability practices (logs, metrics, tracing). * Prior work in high-performance teams and critical/mission-critical products. * Familiarity with other modern Frontend frameworks (React, Vue) or other Backend languages. Benefits Meal Voucher and/or Food Voucher (Ifood Beneficios) Health Insurance (Amil) Life Insurance **Optional Benefits:** * Dental Insurance (Amil) * Fuel Voucher **Partnerships and Other Benefits:** * Gympass/Wellhub: Access to gyms offering various workout modalities. * PET Health Plan * Childcare Assistance * Lincard: Partnership club offering discounts of up to 60% at over 4,000 establishments across Brazil.